AU2003273390A1 - Process for the preparation of zaleplon - Google Patents

Process for the preparation of zaleplon

Info

Publication number
AU2003273390A1
AU2003273390A1 AU2003273390A AU2003273390A AU2003273390A1 AU 2003273390 A1 AU2003273390 A1 AU 2003273390A1 AU 2003273390 A AU2003273390 A AU 2003273390A AU 2003273390 A AU2003273390 A AU 2003273390A AU 2003273390 A1 AU2003273390 A1 AU 2003273390A1
Authority
AU
Australia
Prior art keywords
zaleplon
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2003273390A
Inventor
Stanislav Radl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zentiva KS
Original Assignee
Zentiva KS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zentiva KS filed Critical Zentiva KS
Publication of AU2003273390A1 publication Critical patent/AU2003273390A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
AU2003273390A 2002-10-25 2003-10-21 Process for the preparation of zaleplon Abandoned AU2003273390A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CZPV2002-3575 2002-10-25
CZ20023575A CZ20023575A3 (en) 2002-10-25 2002-10-25 Process for preparing N-ethyl-N-[3-(3-methyl-pyrazolo[1,5-a]pyrimidin-7-yl)-phenyl]-acetamide (zaleplon)
PCT/CZ2003/000057 WO2004037824A1 (en) 2002-10-25 2003-10-21 Process for the preparation of zaleplon

Publications (1)

Publication Number Publication Date
AU2003273390A1 true AU2003273390A1 (en) 2004-05-13

Family

ID=29751097

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003273390A Abandoned AU2003273390A1 (en) 2002-10-25 2003-10-21 Process for the preparation of zaleplon

Country Status (12)

Country Link
US (1) US20050245742A1 (en)
EP (1) EP1554279B1 (en)
JP (1) JP2006507278A (en)
AU (1) AU2003273390A1 (en)
CA (1) CA2503152A1 (en)
CZ (1) CZ20023575A3 (en)
DE (1) DE60317817D1 (en)
EA (1) EA007505B1 (en)
PL (1) PL374911A1 (en)
SK (1) SK50402005A3 (en)
UA (1) UA81641C2 (en)
WO (1) WO2004037824A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6852858B2 (en) * 2001-08-01 2005-02-08 Biogal Gyogyszergyar Rt. Process for purifying N-[3-(3-cyanopyrazolo[1,5-a]pyrimidin-7-yl)phenyl]-N-ethylacetamide (zaleplon) and crystalline forms of zaleplon accessible with the process
US20050032818A1 (en) * 2001-06-12 2005-02-10 Entire Interest N-[3-(3-cyanopyrazolo[1,5-a]pyrimidin-5-yl)phenyl]-N-ethylacetamide and crystalline forms of zaleplon

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5356897A (en) * 1991-09-09 1994-10-18 Fujisawa Pharmaceutical Co., Ltd. 3-(heteroaryl)-pyrazololi[1,5-a]pyrimidines
JP2002501532A (en) * 1997-05-30 2002-01-15 メルク エンド カンパニー インコーポレーテッド Novel angiogenesis inhibitors
AR029780A1 (en) * 2000-12-13 2003-07-16 Gador Sa IMPROVED PROCEDURE FOR OBTAINING N- [3 (3-CIANO-PIRAZOLO [1,5-A] PIRIMIDIN-7-IL) PHENYL] -N-ETIL-ACETAMIDE
US6852858B2 (en) * 2001-08-01 2005-02-08 Biogal Gyogyszergyar Rt. Process for purifying N-[3-(3-cyanopyrazolo[1,5-a]pyrimidin-7-yl)phenyl]-N-ethylacetamide (zaleplon) and crystalline forms of zaleplon accessible with the process
KR20040007683A (en) * 2001-06-12 2004-01-24 비오갈 기오기스제르갸르 알티. Process for the production of zaleplon

Also Published As

Publication number Publication date
CZ293015B6 (en) 2004-01-14
EA007505B1 (en) 2006-10-27
EA200500702A1 (en) 2005-10-27
CZ20023575A3 (en) 2004-01-14
SK50402005A3 (en) 2005-08-04
JP2006507278A (en) 2006-03-02
PL374911A1 (en) 2005-11-14
DE60317817D1 (en) 2008-01-10
EP1554279A1 (en) 2005-07-20
UA81641C2 (en) 2008-01-25
US20050245742A1 (en) 2005-11-03
EP1554279B1 (en) 2007-11-28
WO2004037824A1 (en) 2004-05-06
CA2503152A1 (en) 2004-05-06

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase